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Cheap flights from Barcelona to Seattle from $453

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona to Seattle departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Barcelona to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Condor Logo
10:25 am - 3:40 pm
BCN
-
SEA
14h 15m
1 stop
Condor Logo
5:40 pm - 10:10 pm
SEA
-
BCN
19h 30m
1 stop
$559Condor
Wed, Oct 7 - Sun, Oct 11
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
Condor Logo
6:50 pm - 10:10 pm
SEA
-
BCN
19h 20m
1 stop
$574Condor
Thu, Sep 24 - Tue, Oct 27
Condor Logo
10:15 am - 4:00 pm
BCN
-
SEA
14h 45m
1 stop
Condor Logo
5:40 pm - 10:10 pm
SEA
-
BCN
19h 30m
1 stop
$593Condor
Thu, Sep 24 - Sun, Sep 27
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
$596Condor
Fri, Aug 28 - Thu, Sep 10
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
$604Condor
Fri, Aug 28 - Thu, Sep 10
Condor Logo
10:25 am - 3:40 pm
BCN
-
SEA
14h 15m
1 stop
Condor Logo
6:15 pm - 10:10 pm
SEA
-
BCN
18h 55m
1 stop
$606Condor
Tue, Sep 1 - Sat, Sep 12
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
$611Condor
Fri, Aug 28 - Thu, Sep 10
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
$612Condor
Fri, Aug 28 - Thu, Sep 10
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
$614Condor
Fri, Aug 28 - Thu, Sep 10
Condor Logo
10:15 am - 4:00 pm
BCN
-
SEA
14h 45m
1 stop
Condor Logo
5:40 pm - 4:00 pm
SEA
-
BCN
13h 20m
1 stop
$616Condor
Fri, Sep 11 - Sun, Sep 27

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Condor flights from Barcelona to Seattle

Our best Condor deals on Barcelona to Seattle flight tickets
Condor
Oct 7
BCN10:25 amBarcelona-El Prat
14h 15m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
Oct 11
SEA5:40 pmSeattle/Tacoma Intl
19h 30m
1 stop
BCN10:10 pmBarcelona-El Prat
$559
Condor
Sep 24
BCN8:00 amBarcelona-El Prat
17h 00m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Oct 27
SEA6:50 pmSeattle/Tacoma Intl
19h 20m
1 stop
BCN10:10 pmBarcelona-El Prat
$574
Condor
Sep 24
BCN10:15 amBarcelona-El Prat
14h 45m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
Sep 27
SEA5:40 pmSeattle/Tacoma Intl
19h 30m
1 stop
BCN10:10 pmBarcelona-El Prat
$593

United Airlines flights from Barcelona to Seattle

Our best United Airlines deals on Barcelona to Seattle flight tickets
United Airlines
Jul 20
BCN6:40 amBarcelona-El Prat
21h 56m
2 stops
SEA7:36 pmSeattle/Tacoma Intl
Dec 15
SEA8:30 amSeattle/Tacoma Intl
20h 35m
3 stops
BCN2:05 pmBarcelona-El Prat
$1,205
United Airlines
Jul 13
BCN4:10 pmBarcelona-El Prat
18h 05m
1 stop
SEA1:15 amSeattle/Tacoma Intl
Jul 17
SEA10:52 amSeattle/Tacoma Intl
17h 23m
1 stop
BCN1:15 pmBarcelona-El Prat
$1,463

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 12, 2026.
Use the filters below to find and compare flights from Barcelona to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Wed 10/7

10:25 am-3:40 pm

1 stop14h 15m

Seattle/Tacoma Intl

Sun 10/11

5:40 pm-10:10 pm

1 stop19h 30m

$559

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 9/24

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Tue 10/27

6:50 pm-10:10 pm

1 stop19h 20m

$574

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 9/24

10:15 am-4:00 pm

1 stop14h 45m

Seattle/Tacoma Intl

Sun 9/27

5:40 pm-10:10 pm

1 stop19h 30m

$593

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 8/28

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/10

6:05 pm-10:10 pm

1 stop19h 05m

$596

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 8/28

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/10

6:05 pm-10:10 pm

1 stop19h 05m

$604

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Tue 9/1

10:25 am-3:40 pm

1 stop14h 15m

Seattle/Tacoma Intl

Sat 9/12

6:15 pm-10:10 pm

1 stop18h 55m

$606

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 8/28

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/10

6:05 pm-10:10 pm

1 stop19h 05m

$611

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 8/28

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/10

6:05 pm-10:10 pm

1 stop19h 05m

$612

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 8/28

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Thu 9/10

6:05 pm-10:10 pm

1 stop19h 05m

$614
Quickest round-trip

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 9/11

10:15 am-4:00 pm

1 stop14h 45m

Seattle/Tacoma Intl

Sun 9/27

5:40 pm-4:00 pm

1 stop13h 20m

$616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Barcelona to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Barcelona and Seattle?

What is the cheapest month to fly to Seattle?

In general, December is the cheapest month to fly from Barcelona to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $85. If you don’t want to visit Seattle in December, then you should wait until August to fly from Barcelona, when ticket prices are also cheap, with an average price of $236.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Barcelona is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,062. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Barcelona because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,133.

What is the cheapest Barcelona to Seattle/Tacoma Intl flight route?

Fly from Barcelona-El Prat to Seattle/Tacoma Intl for the best Barcelona - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight from Barcelona to Seattle?

You are more likely to see cheaper flights to Seattle from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $895 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Barcelona for as low as $732 on momondo.

What cabin class options are available on Barcelona to Seattle flights?

There are 2 cabin classes available to choose from on Barcelona to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Barcelona to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona to Seattle

Fastest flight time

11h 15m

Direct flights

Mon, Thu and Sat

Airports in Seattle

1 airport
The fastest flight from Barcelona to Seattle takes 11h 15m
Direct flights go from Barcelona to Seattle on Monday, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Seattle. From Barcelona there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Barcelona to Seattle

  • How far is Barcelona to Seattle/Tacoma Intl by plane?

    The straight-line distance from Barcelona to Seattle/Tacoma Intl is 5410.7 mi. In terms of flight time, this usually takes a little over 11h 15m.

  • When did momondo last update prices for flights from Barcelona to Seattle/Tacoma Intl Airport?

    Prices for flights from Barcelona to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Barcelona to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Barcelona to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Barcelona to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Barcelona to Seattle

Compare and see reviews for airlines that fly from Barcelona to Seattle with momondo
Airline
Rating
Free Cancellation
Price
CondorPriceFrom $600Free CancellationRating
6.6
506 reviews
Search Condor flights
British AirwaysPriceFrom $662Free CancellationRating
6.7
8,103 reviews
Search British Airways flights
LufthansaPriceFrom $777Free CancellationRating
6.8
8,131 reviews
Search Lufthansa flights
DeltaPriceFrom $814Free CancellationRating
7.8
8,458 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Federal Way
Cle Elum
Marysville
Fife
Centralia
Kirkland
Shoreline
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Barcelona to Seattle for you.

Can I find flights from Barcelona to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Barcelona with this policy.

How can momondo help me find flights from Barcelona to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to Seattle.

I’m not ready to book a flight from Barcelona to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Barcelona are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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